--- trunk/WebPac.pm	2004/12/08 18:24:24	600
+++ trunk/WebPac.pm	2009/05/25 13:49:51	789
@@ -10,9 +10,10 @@
 use Config::IniFiles;
 use Text::Unaccent;
 use Data::Pageset;
+use POSIX qw(locale_h);
 
 use lib '..';
-use index_DBI_cache;
+use index_DBI_filter;
 use back2html;
 
 
@@ -32,11 +33,15 @@
 my $BASE_PATH =$cfg_global->val('webpac', 'base_path');
 # for pager
 my $pages_per_set = $cfg_global->val('webpac', 'pages_per_set') || 10;
+my $locale = $cfg_global->val('locale') || 'hr_HR';
 
 Text::Iconv->raise_error(0);     # Conversion errors raise exceptions
 
 my $from_utf8 = Text::Iconv->new('UTF8', $CHARSET);
 
+setlocale(LC_CTYPE, $locale);
+setlocale(LC_COLLATE, $locale);
+
 if ($UNAC_FILTER) {
 	require $UNAC_FILTER;
 } else {
@@ -58,6 +63,10 @@
 
 	return $tpl if (! $base_path);
 
+	#warn "base_path: $base_path, p: $p, path: $path, tpl: $tpl\n";
+
+	$p =~ s#/[^/]*$##;
+
 	# strip everything to and including base path, leaving only
 	# additional (virtual) path
 	if ($base_path eq "/") {
@@ -134,37 +143,58 @@
 	#
 	my ($pager_prev,$pager_next, $pager_jump) = ('','','');
 
-	my $nav_fmt=qq{ <a href="%s">%s</a> };
+	sub url_with_params {
+		my ($q,$text) = @_;
+		my %param = $q->Vars;
+		my @p;
+		foreach my $p ( keys %param ) {
+			my $v = $param{$p};
+			next unless defined $v and length($v) > 0;
+			if ( $v =~ m{\0} ) {
+				push @p, $p . '=' . my_unac_string($CHARSET, $_)
+					foreach (split(/\0/, $v ));
+			} else {
+				push @p, $p . '=' . my_unac_string($CHARSET, $v);
+			}
+		}
+
+		return
+		  qq{ <a href="}
+		. $q->url( -relative => 1 )
+		. '?'
+		. join(';', @p)
+		. qq{">$text</a> };
+	}
 
 	if ($pager->current_page() > $pager->first_page) {
 		$q->param('PAGER_offset', $pager->current_page - 1);
-		$pager_prev .= sprintf($nav_fmt,$q->url(-relative=>1, -query=>1),'&lt;&lt;');
+		$pager_prev .= url_with_params( $q, '&lt;&lt;');
 	}
 
 	if ($pager->previous_set) {
 		$q->param('PAGER_offset', $pager->previous_set);
-		$pager_prev .= sprintf($nav_fmt,$q->url(-relative=>1, -query=>1),'..');
+		$pager_prev .= url_with_params( $q,'..');
 	}
 
 
 	foreach my $p (@{$pager->pages_in_set()}) {
-		next if ($p < 0);
+		next if ($p <= 0);
 		if($p == $pager->current_page()) {
 			$pager_jump .= "<b>$p</b> ";
 		} else {
 			$q->param('PAGER_offset', $p);
-			$pager_jump .= sprintf($nav_fmt,$q->url(-relative=>1, -query=>1),$p);
+			$pager_jump .= url_with_params($q,$p);
 		}
 	}
 
 	if ($pager->next_set) {
 		$q->param('PAGER_offset', $pager->next_set);
-		$pager_next .= sprintf($nav_fmt,$q->url(-relative=>1, -query=>1),'..');
+		$pager_next .= url_with_params($q,'..');
 	}
 
 	if ($pager->current_page() < $pager->last_page) {
 		$q->param('PAGER_offset', $pager->current_page + 1);
-		$pager_next .= sprintf($nav_fmt,$q->url(-relative=>1, -query=>1),'&gt;&gt;');
+		$pager_next .= url_with_params($q,'&gt;&gt;');
 	}
 
 	$tmpl->param('PAGER_PREV', $pager_prev);
@@ -182,14 +212,19 @@
 	my $tmpl = shift @_;
 	my @persist_vars = @_;
 	my $hidden_vars = '';
+	my $hidden_search = '';
 	foreach my $v (@persist_vars) {
 		foreach my $val ($q->param($v)) {
+			next if (! $val || $val eq '');
+			$val =~ s/"/&quot;/g;
 			$hidden_vars .= '<input type="hidden" name="'.$v.'" value="'.$val.'"/>'."\n";
+			$hidden_search .= '<input type="hidden" name="'.$v.'" value="'.$val.'"/>'."\n" if ($v ne "rm");
 		}
 	}
 
 	$tmpl->param('PAGER_HIDDEN', $hidden_vars);
-	$tmpl->param('PAGER_JAVASCRIPT', qq{
+	$tmpl->param('SEARCH_HIDDEN', $hidden_search);
+	$tmpl->param('PAGER_JAVASCRIPT', qq#
 <SCRIPT LANGUAGE="Javascript">
 <!-- Begin
 	// dummy emulator for HTML::Pager templates
@@ -198,7 +233,7 @@
 	}
 // End -->
 </script>  
-	});
+	#);
 }
 
 #--------------------------------------------------------------------------
@@ -223,6 +258,12 @@
 
 	my $q = $self->query();
 
+	# submit was reset?
+	if ($q->param('reset')) {
+		$q->delete_all;
+		return $self->show_search_form();
+	}
+
 	# load template for this page
 
 	my @s_arr;	# all queries are located here
@@ -230,26 +271,56 @@
 	my @path_arr = $q->param('path');
 	my $full = $q->param('full');
 
-	my @persist_vars = ( 'rm' );
-	my @url_params = ( 'rm=results', 'show_full=1', 'last_PAGER_offset='.($q->param('PAGER_offset') || 0) );
+	my @persist_vars = ( 'rm', 'persist_search' );
+	my $url_params = {
+		'rm' => 'results',
+		'show_full' => 1,
+		'last_PAGER_offset' => ($q->param('PAGER_offset') || 0),
+	};
+
+	my @persist_search_vars;
+	my $url_params_persist = {};
+	if ($q->param("persist_search")) {
+		@persist_search_vars = split(/\s*,\s*/, $q->param("persist_search"));
+		$url_params_persist->{'persist_search'} = $q->url_param("persist_search");
+		$url_params->{'persist_search'} = $q->url_param("persist_search");
+	}
 
 	# support parametars "f" and "v" for start
-	for(my $i = ""; $i <=30; $i++) {
+	for(my $i = 0; $i <=30; $i++) {
+
+		$i = '' if ($i == 0);
 
 		return show_index($self, $i) if ($q->param("f".$i."_index"));
 
-		next if (! $q->param("v$i"));
+		next if (! $q->param("v$i") || $q->param("v$i") eq '');
 		next if (! $q->param("f$i"));
 
+		my $persist = grep(/^$i$/,@persist_search_vars);
+	
 		push @persist_vars, "f$i";
 		push @persist_vars, "v$i";
 		push @persist_vars, "e$i" if ($q->param("e$i"));
 
-		push @url_params,"f$i=".$q->url_param("f$i");
+		# create url parametars (and persistent ones)
+
+		$url_params->{"f$i"} = $q->url_param("f$i");
+		$url_params_persist->{"f$i"} = $q->url_param("f$i") if ($persist);
+
+		my @v;
+
 		foreach my $v ($q->url_param("v$i")) {
-			push @url_params,"v$i=$v";
+			# escape quotes so that phrase search work
+			$v =~ s/"/%22/g;
+			push @v, $v;
+		}
+		$url_params->{"v$i"} = \@v;
+		$url_params_persist->{"v$i"} = \@v if ($persist);
+
+		if ($q->param("e$i")) {
+			$url_params->{"e$i"} = $q->url_param("e$i");
+#			$url_params_persist->{"e$i"} = $q->url_param("e$i");
 		}
-		push @url_params,"e$i=".$q->url_param("e$i");
 
 		my $wc="*";	# swish wildcard
 		$wc="" if ($i eq "");	# don't apply wildcard on field 0
@@ -270,8 +341,9 @@
 
 			# filed e[nr] is exact match bitmask
 			# 1 = beginning, 2=end, 3=both
-			$pre = '"xxbxx ' if ($q->param("e$i") & 1);
-			$post = ' xxexx"' if ($q->param("e$i") & 2);
+			my $exact_flag = $q->param("e$i") || 0;
+			$pre = '"xxbxx ' if ($exact_flag & 1);
+			$post = ' xxexx"' if ($exact_flag & 2);
 			# add qotes on other side
 			if ($q->param("e$i")) {
 				$pre = '"' if (! $pre);
@@ -297,6 +369,7 @@
 				}
 			}
 			$s =~ s/\*+/*/g;
+			$s =~ s/[()]//g;	# () are used in query language
 			$s = $pre.$s.$post if ($q->param("e$i"));
 			push @swish_q,$s;
 		}
@@ -305,9 +378,7 @@
 		push @s_arr, $q->param("f$i")."_swish".$exact."=(".join(" or ",@swish_q).")";
 	}
 
-	my $tmpl = $self->load_tmpl(url_ex($q,'results.html'), global_vars => 1);
-
-	$tmpl->param('url_params',"?".join("&",@url_params));
+	my $tmpl = $self->load_tmpl(url_ex($q,'results.html'), global_vars => 1, die_on_bad_params => 0);
 
 	sub esc_html {
 		my $html = shift;
@@ -322,24 +393,43 @@
 		push @persist_vars, "sort";
 	}
 
+	my $sortby = $q->param("sortby");
+	if ($sortby) {
+		$sort = $sortby;
+		push @persist_vars, "sortby";
+	}
+	# used to filter entries in index and swish
+	my $filter = $q->param("filter");
+
 	# construct swish query
 	my $sw_q = join(" and ",@s_arr);
-	if (@path_arr) {
-		$sw_q .= "and (swishdocpath=\"";
+	if (@path_arr && $q->param('show_full')) {
+		$sw_q .= " and (swishdocpath=\"";
 		$sw_q .= join("\" or swishdocpath=\"",@path_arr);
 		$sw_q .= "\")";
-	}
-
-	if ($q->param('show_full')) {
+		$tmpl->param('full',1);	# show full records
+#	} elsif (@path_arr && $#path_arr == 0) {
+#		# I will assume that it's a filter since there isn't show_full
+#		$filter = shift @path_arr;
+	} elsif ($q->param('show_full')) {
 		# just show full path, no path defined
 		$tmpl->param('full',1);
 	} else {
 		$tmpl->param('full',0);
 	}
 
+	if ($filter) {
+		$sw_q .= " and (swishdocpath=\"$filter\")" unless (@path_arr);
+		push @persist_vars, "filter";
+		$url_params->{'filter'} = $filter;
+		$url_params_persist->{'filter'} = $filter;
+	}
+
+	my $swish_msg = ' ';
+
 	# create new swish instance
 	my $swish = SWISH::API->new($INDEX);
-	$swish->AbortLastError if $swish->Error;
+	$swish_msg .= $swish->ErrorString." ".$swish->LastErrorMsg if $swish->Error;
 
 	# execute query and get number of results from SWISH-E
 	my $search = $swish->New_Search_Object;
@@ -347,16 +437,38 @@
 	$search->SetSort($sort);
 
 	my $results = $search->Execute($sw_q);
-	$swish->AbortLastError if $swish->Error;
+	$swish_msg .= $swish->ErrorString." ".$swish->LastErrorMsg if $swish->Error;
 
 	my $hits = $results->Hits;
 
 	$tmpl->param('hits',$hits);
-	$tmpl->param('search',$sw_q);
+	my $search_msg = $sw_q;
+	$search_msg .= '<em>'.$swish_msg.'</em>' if ($swish_msg);
+	$tmpl->param('search', $search_msg);
 
 	$tmpl->param('PAGER_offset',$q->param("PAGER_offset") || 0);
 	$tmpl->param('last_PAGER_offset',$q->param("last_PAGER_offset") || 0);
 
+	# URL parametars for search results
+	sub cook_url_params {
+		my $hash = shift || return;
+		return join("&", map {
+			my $var = $_;
+			if (ref($hash->{$var}) eq 'ARRAY') {
+				join('&',
+					map { $var.'='.$_ } @{$hash->{$var}}
+				);
+			} else {
+				$var."=".$hash->{$var};
+			}
+		} keys %{$hash});
+	}
+
+	$tmpl->param('url_params',"?".cook_url_params($url_params));
+	$tmpl->param('url_params_paths',"?".cook_url_params($url_params).'&'.join("&",map { my $t = $_; $t =~ s/\#/%23/g; "path=$t"; } @path_arr));
+
+
+
 	#
 	# build pager
 	#
@@ -390,7 +502,8 @@
 			rank => $result->Property('swishrank')
 		};
 
-		$r->{html} = back2html($from_utf8->convert($result->Property('html'))) if ($q->param('show_full'));
+		#$r->{html} = back2html($from_utf8->convert($result->Property('html')), cook_url_params($url_params_persist)) if ($q->param('show_full'));
+		$r->{html} = back2html($from_utf8->convert($result->Property('html')), $filter ? 'filter='.$filter : '') if ($q->param('show_full'));
 
 		push @pager_data_list, $r;
 	}
@@ -416,6 +529,8 @@
 	my $field = $q->param("f$i");
 	my $limit = $q->param("v$i");
 
+	my $filter = $q->param("filter");
+
 	my $html;
 
 	my $index = new index_DBI(
@@ -425,19 +540,20 @@
 		$cfg_global->val('global', 'dbi_passwd') || ''
 	);
 
-	my $total = $index->count($field,$limit);
+	my $total = $index->count($field,$limit,$filter);
 
-	if (! $total) {
+	if (! defined($total)) {
 		my $tmpl = $self->load_tmpl(url_ex($q,'no_index.html'));
 		$tmpl->param('field',$field);
 		$html = $tmpl->output;
 		return $html;
 	}
 
-	my $tmpl = $self->load_tmpl(url_ex($q,'index_res.html'), global_vars => 1);
+	my $tmpl = $self->load_tmpl(url_ex($q,'index_res.html'), global_vars => 1, die_on_bad_params => 0);
 	$tmpl->param('field',$field);
 	$tmpl->param('limit',$limit);
 	$tmpl->param('total',$total);
+	$tmpl->param('filter',$filter);
 
 # FIXME I should set offset and leave out limit from fetch!!
 #	if (! $q->param("PAGER_offset") {
@@ -460,7 +576,7 @@
 	make_pager($q, $tmpl, $pager);
 	make_pager_vars($q, $tmpl, @persist_vars);
 
-	my @pager_data_list = $index->fetch($field,$limit, $pager->first - 1, $pager->entries_on_this_page);
+	my @pager_data_list = $index->fetch($field,$limit, $pager->first - 1, $pager->entries_on_this_page, $filter);
 	$tmpl->param('PAGER_DATA_LIST', \@pager_data_list);
 
 	return in_template($q,$tmpl->output);